In the Section "Investigating Life: Did a Myosin Gene Mutation

question 23

Multiple Choice

In the section "Investigating Life: Did a Myosin Gene Mutation Make Humans Brainier?",how does an inactive gene that encodes a non-functional myosin protein affect human chewing muscles?

• A)No effect because humans have over 40 closely related myosin genes.
• B)No effect because myosin is not essential for life.
• C)The loss of this myosin causes smaller and weaker chewing muscles in humans.
• D)No effect because other proteins in the body can do the same thing as myosin.
• E)The loss of this myosin causes greater flexibility of chewing muscles in humans.

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Definitions:

Funeral Rite

Ceremonies and rituals carried out in honor of a person who has died, often involving burial or cremation.

Bereavement

The process of grieving and adjusting to the loss of a loved one.

Mourning

Customary methods of expressing grief.

Bounce Back

The ability to recover quickly from setbacks, disappointments, or trauma; resilience.